PDF malware analysis — malicious · 035bbcfa2431260a

MALICIOUS

PDF

105.1 KB Created: 2021-01-20 00:25:27 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-22

MD5: 80d881221f1dfcd0343faeb87ea785d9 SHA-1: 4a8d4232c9ae7ea61dc5ae4e60a4281aa7b19ff9 SHA-256: 035bbcfa2431260ac253363a1d383a2314efb4b8be14e7c40961f48fe8ca58a6

154 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF document was flagged as malicious by ClamAV. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

Nyx PDF Classifier suspicious score 0.4126

Heuristics 5

ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM

Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM

Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
External URI info PDF_URI

PDF contains an external URL action
Embedded URL info EMBEDDED_URL

One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
URL https://traffine.ru/wb?keyword=final%20fantasy%20xvi%20logo%20meaning PDF link annotation
- https://cdn.sqhk.co/kakumipoman/gqjfjhV/27051727737.pdfIn PDF document text
- https://kavivafome.weebly.com/uploads/1/3/2/7/132740637/liberosas_lifud_nitip_ferugadokuloz.pdfIn PDF document text
- https://vorupegesozuzow.weebly.com/uploads/1/3/1/4/131453293/3377184.pdfIn PDF document text
- https://suterigegopos.weebly.com/uploads/1/3/2/6/132695321/xozitifoturup.pdfIn PDF document text
- https://site-1176044.mozfiles.com/files/1176044/camiguin_island_travel_guide_2019.pdfIn PDF document text
- https://cdn.sqhk.co/kisunika/bN2ggii/hill_climb_racing_ragnarok_world_record.pdfIn PDF document text
- https://wojopegoguw.weebly.com/uploads/1/3/4/6/134690206/mijinadowaj.pdfIn PDF document text
- https://site-1172079.mozfiles.com/files/1172079/candy_cake_maker_apk.pdfIn PDF document text
- https://site-1168029.mozfiles.com/files/1168029/the_cw_channel_number.pdfIn PDF document text
- https://vipogonegope.weebly.com/uploads/1/3/0/9/130969266/38295b6cf9379.pdfIn PDF document text
- https://site-1249614.mozfiles.com/files/1249614/tricky_puzzles_brain_teasers_with_answers.pdfIn PDF document text
- https://vogovolakufa.weebly.com/uploads/1/3/4/8/134874318/rigazasaguluzapit.pdfIn PDF document text
- https://site-1177842.mozfiles.com/files/1177842/wifajanagokofe.pdfIn PDF document text
- https://cdn.sqhk.co/bezorufuv/7ghhcaD/pumepenagawokijulumokami.pdfIn PDF document text
- https://site-1177290.mozfiles.com/files/1177290/pixel_car_racer_hacked_version_apk.pdfIn PDF document text
- https://site-1174383.mozfiles.com/files/1174383/panchatantra_full_movie_kannada.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/pafiganovavi/bofigive.pdfIn PDF document text
- https://s3.amazonaws.com/zesotat/shinmai_maou_no_testament_ova_3.pdfIn PDF document text
- https://s3.amazonaws.com/bifadiwuwileji/scrabble_2_letter_words_list.pdfIn PDF document text
- https://s3.amazonaws.com/nademopor/37996304513.pdfIn PDF document text
- https://savannah.gnu.org/projects/freefont/In PDF document text
- http://www.gnu.org/licenses/In PDF document text
- http://www.gnu.org/copyleft/gpl.htmlIn PDF document text
- http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 4

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0001485b.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x1485B	6440 bytes
SHA-256: `c8a57be3ecf27910436cd3aa3c4dc4e27da9663d19ac26e136dd904337c32bcc`
`font_01_sfnt_off0001581d.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x1581D	5444 bytes
SHA-256: `cb75f52a9c86fb6bbfaea125ac849058f15c14e9d5eb149a105e9858d04f6c2a`
`font_02_sfnt_off00016ab3.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x16AB3	4964 bytes
SHA-256: `7c586dc5b918374c30075f136ec910f89a8148a852202651cfefc7065806e0e8`
`font_03_sfnt_off00017b93.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x17B93	11596 bytes
SHA-256: `b39e5efb88020b8c2e66f3782120412b5238c60dca24fe313fcbd9d2b602c172`

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